ninja

noun 0.798

ninjutsu

noun 0.705

shuriken

noun 0.654

samurai

noun 0.605

shin

noun 0.589

ronin

noun 0.561

assassin

noun 0.548

sniper

noun 0.547

shonen

noun 0.547

katana

noun 0.544

kitsune

noun 0.533

shogun

noun 0.533

sneak thief

noun 0.517

stealth

noun 0.515

warrior

noun 0.514

spy

noun 0.512

shikari

noun 0.511

bushido

noun 0.511

shinny

noun 0.510

nin

noun 0.503

hitman

noun 0.502